Question

2.
is the final
node. This node does not split
into sub nodes.​

Answer 1

Explanation:

Q1

The wave function (Ψ) of 2s is given by

    Ψ

2s

=

2

2π

1

(

a

0

1

)

1/2

{2−

a

0

r

}e

−r/2a

0

At r=r

0

, radial node is formed. Thus for 2s, r

0

in terms of a

0

is: